Ariston AWD12 Trips RCD instantly (Margherita)

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  • January 21, 2008 at 11:41 am #33894
    petercherry
    Participant

    Hi – Ariston AWD12 Margherita Washer Dryer (seen that model mentioned here a few times ..!).

    It is instantly tripping the main RCD, if I leave the door open & turn it on it is fine until the door is closed …? Any ideas – door switch maybe ..?

    No lights are flashing, no water enters the drawer – trips out before that all starts.

    About 6 washes ago I changed the main drum bearing and seal because it was just starting to sound noisy, not taken the back off to see if it’s leaked again. It has been running fine since I changed it.

    Any help much appreciated, I am fairly technical & reasonable with a multi-meter ..

    Regards, Peter

    January 21, 2008 at 1:09 pm #240501
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Update –

    Machine apart now. The replacement drum bearing & seal don’t look to have leaked. Have taken the door switch off, inside it looks fine (no blackening, etc). Did I see on another post saying there should be continuity between some of the terminals (3 in all) – cannot get continuity between any ..?

    Nothing else looks amiss YET!

    Peter

    January 21, 2008 at 1:30 pm #240502
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Another update – if I disconnect the motor ans switch it on, it does not trip the RCD/Mains out. Maybe a motor failure …? Any ideas on how to test?

    January 21, 2008 at 7:53 pm #240503
    helo_75
    Participant

    u just did… needs a motor

    January 21, 2008 at 8:06 pm #240504
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Thanks helo_75

    What is it that goes wrong in these motors …? The brown/red brush casing underneath is a tiny bit black where the connector goes in, other than that not much appear wrong … Is it the windings, etc i.e. can I get a local company to fix rather than order a new one? Don’t suppose the brushes would cause the RCD to trip ?

    Thanks, Peter

    January 21, 2008 at 11:38 pm #240505
    helo_75
    Participant

    unfortunately, u can only change the brushes on these

    its not common for brushes to cause earth leaks

    armature and windings arent serviceable

    new motor im afraid

    January 22, 2008 at 12:08 am #240506
    Penguin45
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Earthing fault, usually through the armature. If you wish to check Helo’s diagnosis, you will need a Meggar or a quality test meter.

    Replacement cost of motor usually means that this is not a cost effective repair.

    Penguin45.

    January 22, 2008 at 9:25 pm #240507
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Just thought I’d post an update on this … not wishing to be beaten, I took the motor off, there was quite a lot of carbon around the brush housings, but the actual brushes & motor looked fine, no breakdown of the varnish on the wire, etc. I cleaned off the carbon, blew the windings out as best of could with my mouth ;-O squirted on a bit of switch cleaner, etc.

    Outcome – no tripping of the RCD as yet … Not put it on a full cycle yet to fully test. Not sure how long it will last, any thoughts?

    Thanks, Peter

    January 22, 2008 at 9:36 pm #240508
    Penguin45
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Well done! I’d try a cycle without a load first (Service wash, perhaps? Powder and 90c) and see what happens.

    Penguin45.

    January 22, 2008 at 9:40 pm #240509
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Cheers Penguin45 – will try and post update. Thanks, Peter

    January 23, 2008 at 6:33 pm #240510
    petercherry
    Participant

    Re: Ariston AWD12 Trips RCD instantly (Margherita)

    Threw a load on last night, fairly long & hot wash – no problems SO FAR! Will post when it goes again. Cheers, Peter

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